/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.grpc.kotlin.generator.protoc

import com.google.protobuf.DescriptorProtos.DescriptorProto
import com.google.protobuf.DescriptorProtos.EnumDescriptorProto
import com.google.protobuf.Descriptors.Descriptor
import com.google.protobuf.Descriptors.EnumDescriptor

/** Represents the unqualified name of a proto message or enum, which is in UpperCamelCase. */
data class ProtoTypeSimpleName(val name: String) : CharSequence by name {
  fun toClassSimpleName(): ClassSimpleName = ClassSimpleName(name)

  override fun toString() = name
}

/** Returns the name of a message type, given its descriptor. */
val Descriptor.simpleName: ProtoTypeSimpleName
  get() = toProto().simpleName

/** Returns the name of a message type, given its descriptor in proto form. */
val DescriptorProto.simpleName: ProtoTypeSimpleName
  get() = ProtoTypeSimpleName(name)

/** Returns the name of a proto enum type, given its descriptor. */
val EnumDescriptor.simpleName: ProtoTypeSimpleName
  get() = toProto().simpleName

/** Returns the name of a proto enum type, given its descriptor in proto form. */
val EnumDescriptorProto.simpleName: ProtoTypeSimpleName
  get() = ProtoTypeSimpleName(name)
